#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>  
#include <sys/wait.h>
#include <stdlib.h>


int main(void)
{

	
	//execl("/bin/ls", "ls", "-l", "-a", NULL);		// ls -l -a
	//execl("/bin/ls", "ls", "-la", NULL);		// ls -l -a
	
	execl("/bin/sh","sh","-c", "echo 2222 > hello.c",NULL);	
	
	return 0;
}